Description INSULATION TESTER Model : DI-6300 * 200 M ohm (100V), 200 M ohm (250V), 200 M ohm (500V), 1000 M ohm(1000V), ACV, 200 ohms,  continuity beeper. * Short circuit, 2.8 mA high driving current. * Size : 160 x 120 x 85 mm.